132 rz_mtu3_get_channel(struct rz_mtu3_pwm_chip *rz_mtu3_pwm, u32 hwpwm)  in rz_mtu3_get_channel()  argument
134 	struct rz_mtu3_pwm_channel *priv = rz_mtu3_pwm->channel_data;  in rz_mtu3_get_channel()
145 static bool rz_mtu3_pwm_is_ch_enabled(struct rz_mtu3_pwm_chip *rz_mtu3_pwm,  in rz_mtu3_pwm_is_ch_enabled()  argument
152 	priv = rz_mtu3_get_channel(rz_mtu3_pwm, hwpwm);  in rz_mtu3_pwm_is_ch_enabled()
167 	struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);  in rz_mtu3_pwm_request()  local
172 	priv = rz_mtu3_get_channel(rz_mtu3_pwm, pwm->hwpwm);  in rz_mtu3_pwm_request()
173 	ch = priv - rz_mtu3_pwm->channel_data;  in rz_mtu3_pwm_request()
175 	mutex_lock(&rz_mtu3_pwm->lock);  in rz_mtu3_pwm_request()
181 	if (!rz_mtu3_pwm->user_count[ch]) {  in rz_mtu3_pwm_request()
184 			mutex_unlock(&rz_mtu3_pwm->lock);  in rz_mtu3_pwm_request()
189 	rz_mtu3_pwm->user_count[ch]++;  in rz_mtu3_pwm_request()
190 	mutex_unlock(&rz_mtu3_pwm->lock);  in rz_mtu3_pwm_request()
197 	struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);  in rz_mtu3_pwm_free()  local
201 	priv = rz_mtu3_get_channel(rz_mtu3_pwm, pwm->hwpwm);  in rz_mtu3_pwm_free()
202 	ch = priv - rz_mtu3_pwm->channel_data;  in rz_mtu3_pwm_free()
204 	mutex_lock(&rz_mtu3_pwm->lock);  in rz_mtu3_pwm_free()
205 	rz_mtu3_pwm->user_count[ch]--;  in rz_mtu3_pwm_free()
206 	if (!rz_mtu3_pwm->user_count[ch])  in rz_mtu3_pwm_free()
209 	mutex_unlock(&rz_mtu3_pwm->lock);  in rz_mtu3_pwm_free()
214 	struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);  in rz_mtu3_pwm_enable()  local
224 	priv = rz_mtu3_get_channel(rz_mtu3_pwm, pwm->hwpwm);  in rz_mtu3_pwm_enable()
225 	ch = priv - rz_mtu3_pwm->channel_data;  in rz_mtu3_pwm_enable()
234 	mutex_lock(&rz_mtu3_pwm->lock);  in rz_mtu3_pwm_enable()
235 	if (!rz_mtu3_pwm->enable_count[ch])  in rz_mtu3_pwm_enable()
238 	rz_mtu3_pwm->enable_count[ch]++;  in rz_mtu3_pwm_enable()
239 	mutex_unlock(&rz_mtu3_pwm->lock);  in rz_mtu3_pwm_enable()
246 	struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);  in rz_mtu3_pwm_disable()  local
250 	priv = rz_mtu3_get_channel(rz_mtu3_pwm, pwm->hwpwm);  in rz_mtu3_pwm_disable()
251 	ch = priv - rz_mtu3_pwm->channel_data;  in rz_mtu3_pwm_disable()
259 	mutex_lock(&rz_mtu3_pwm->lock);  in rz_mtu3_pwm_disable()
260 	rz_mtu3_pwm->enable_count[ch]--;  in rz_mtu3_pwm_disable()
261 	if (!rz_mtu3_pwm->enable_count[ch])  in rz_mtu3_pwm_disable()
264 	mutex_unlock(&rz_mtu3_pwm->lock);  in rz_mtu3_pwm_disable()
272 	struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);  in rz_mtu3_pwm_get_state()  local
279 	state->enabled = rz_mtu3_pwm_is_ch_enabled(rz_mtu3_pwm, pwm->hwpwm);  in rz_mtu3_pwm_get_state()
286 		priv = rz_mtu3_get_channel(rz_mtu3_pwm, pwm->hwpwm);  in rz_mtu3_pwm_get_state()
299 		state->period = DIV_ROUND_UP_ULL(tmp, rz_mtu3_pwm->rate);  in rz_mtu3_pwm_get_state()
301 		state->duty_cycle = DIV_ROUND_UP_ULL(tmp, rz_mtu3_pwm->rate);  in rz_mtu3_pwm_get_state()
321 	struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);  in rz_mtu3_pwm_config()  local
330 	priv = rz_mtu3_get_channel(rz_mtu3_pwm, pwm->hwpwm);  in rz_mtu3_pwm_config()
331 	ch = priv - rz_mtu3_pwm->channel_data;  in rz_mtu3_pwm_config()
333 	period_cycles = mul_u64_u32_div(state->period, rz_mtu3_pwm->rate,  in rz_mtu3_pwm_config()
335 	prescale = rz_mtu3_pwm_calculate_prescale(rz_mtu3_pwm, period_cycles);  in rz_mtu3_pwm_config()
343 	if (rz_mtu3_pwm->enable_count[ch] > 1) {  in rz_mtu3_pwm_config()
344 		if (rz_mtu3_pwm->prescale[ch] > prescale)  in rz_mtu3_pwm_config()
347 		prescale = rz_mtu3_pwm->prescale[ch];  in rz_mtu3_pwm_config()
352 	duty_cycles = mul_u64_u32_div(state->duty_cycle, rz_mtu3_pwm->rate,  in rz_mtu3_pwm_config()
371 	if (rz_mtu3_pwm->prescale[ch] != prescale && rz_mtu3_pwm->enable_count[ch])  in rz_mtu3_pwm_config()
386 	if (rz_mtu3_pwm->prescale[ch] != prescale) {  in rz_mtu3_pwm_config()
392 		rz_mtu3_pwm->prescale[ch] = prescale;  in rz_mtu3_pwm_config()
394 		if (rz_mtu3_pwm->enable_count[ch])  in rz_mtu3_pwm_config()
408 	struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);  in rz_mtu3_pwm_apply()  local
422 	mutex_lock(&rz_mtu3_pwm->lock);  in rz_mtu3_pwm_apply()
424 	mutex_unlock(&rz_mtu3_pwm->lock);  in rz_mtu3_pwm_apply()
444 	struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);  in rz_mtu3_pwm_pm_runtime_suspend()  local
446 	clk_disable_unprepare(rz_mtu3_pwm->clk);  in rz_mtu3_pwm_pm_runtime_suspend()
454 	struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);  in rz_mtu3_pwm_pm_runtime_resume()  local
456 	return clk_prepare_enable(rz_mtu3_pwm->clk);  in rz_mtu3_pwm_pm_runtime_resume()
466 	struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);  in rz_mtu3_pwm_pm_disable()  local
468 	clk_rate_exclusive_put(rz_mtu3_pwm->clk);  in rz_mtu3_pwm_pm_disable()
476 	struct rz_mtu3_pwm_chip *rz_mtu3_pwm;  in rz_mtu3_pwm_probe()  local
483 				  sizeof(*rz_mtu3_pwm));  in rz_mtu3_pwm_probe()
486 	rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);  in rz_mtu3_pwm_probe()
488 	rz_mtu3_pwm->clk = parent_ddata->clk;  in rz_mtu3_pwm_probe()
494 		rz_mtu3_pwm->channel_data[j].mtu = &parent_ddata->channels[i];  in rz_mtu3_pwm_probe()
495 		rz_mtu3_pwm->channel_data[j].mtu->dev = dev;  in rz_mtu3_pwm_probe()
496 		rz_mtu3_pwm->channel_data[j].map = &channel_map[j];  in rz_mtu3_pwm_probe()
500 	mutex_init(&rz_mtu3_pwm->lock);  in rz_mtu3_pwm_probe()
502 	ret = clk_prepare_enable(rz_mtu3_pwm->clk);  in rz_mtu3_pwm_probe()
506 	clk_rate_exclusive_get(rz_mtu3_pwm->clk);  in rz_mtu3_pwm_probe()
508 	rz_mtu3_pwm->rate = clk_get_rate(rz_mtu3_pwm->clk);  in rz_mtu3_pwm_probe()
513 	if (rz_mtu3_pwm->rate > NSEC_PER_SEC) {  in rz_mtu3_pwm_probe()
515 		clk_rate_exclusive_put(rz_mtu3_pwm->clk);  in rz_mtu3_pwm_probe()
536 	clk_disable_unprepare(rz_mtu3_pwm->clk);  in rz_mtu3_pwm_probe()